Someone pls me wit 3 and 4 pls : ) you bunches for who ever who ! < 3

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?